E-commerce Tracking (GA4)

Sends all standard Google Analytics 4 e-commerce events to dataLayer via the OpenCart event system. Works with any theme or checkout out of the box, with per-event enable/disable controls and a built-in diagnostics validator.

Complete GA4 E-commerce Tracking for OpenCart - No Template Edits Required

The E-commerce Tracking (GA4) module by AlexWaha implements the full Google Analytics 4 e-commerce event specification for OpenCart 2.3 through 3.x. It integrates entirely through the OpenCart event system - no OCMOD modifications, no theme file edits, no manual template changes. Install it, enter your GTM or gtag.js code, and every standard GA4 e-commerce event fires automatically.

Key Features

Full GA4 event coverage - tracks all recommended e-commerce events: view_item_list, view_item, select_item, add_to_cart, remove_from_cart, view_cart, begin_checkout, add_shipping_info, add_payment_info, purchase, search (with search_term), login, sign_up, add_to_wishlist, and add_coupon
Zero template modifications - 17 OpenCart events are registered at install time; works with any theme and any checkout
Per-event control - enable or disable each event individually across the Pages, Modules, Checkout, and Events settings tabs
Page and module tracking - fires view_item_list on category, search, manufacturer, special, compare pages and on Featured, Latest, Bestseller, Special, and AW Viewed modules
Purchase funnel protection - the purchase event fires only once per order using a session flag, preventing duplicate reporting on page refresh
Built-in diagnostics - the Diagnostics tab validates all 17 registered events and GTM configuration in real time, showing OK or MISSING status for each entry
Advanced options - include tax in prices, track shipping cost and coupons, send product options as item_variant, and add custom dataLayer parameters via JSON
Debug mode - outputs all events to the browser console for development and QA
Import/Export - back up and restore the full module configuration as a timestamped JSON file

Screenshots

General settings tab - GTM code and debug mode configuration

General tab - enter GTM or gtag.js code and enable debug mode

Events tab - toggle login, sign_up, add_to_wishlist, select_item, and coupon events individually

Checkout tab - add_to_cart, begin_checkout, purchase and shipping/payment event settings

Checkout tab - configure the full purchase funnel from add_to_cart through purchase

Diagnostics tab showing event registration status for all 17 OpenCart events

Diagnostics tab - real-time validation of all 17 registered events and GTM configuration

Try It in the Demo

This module is part of the AlexWaha OpenCart Bundle - a collection of productivity and tracking extensions for OpenCart store owners. Browse the demo store to see E-commerce Tracking (GA4) and the other bundle modules in action, then check the documentation for full setup instructions including GTM trigger and tag configuration.

Free and open-source

E-commerce Tracking (GA4) is part of the AlexWaha OpenCart bundle. Get the full source code, documentation and the ready-to-install ocmod package on GitHub.

View E-commerce Tracking (GA4) on GitHub